Toothbrush with adjustable head



FIG. 1 is a top, rear end, and side perspective view of a toothbrush with adjustable head showing my new design; and,

FIG. 2 is a top, rear end, and side perspective view of the toothbrush of FIG. 1 shown in an alternate position.

The undisclosed side is the same in appearance as the side shown and the rear is unornamented in both views. 

The ornamental design for a toothbrush with adjustable head, as shown and described. 